/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/floats-cbmc-regression/float-to-double2.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-72570d3
[2020-08-22 21:47:15,601 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-08-22 21:47:15,604 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-08-22 21:47:15,627 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-08-22 21:47:15,627 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-08-22 21:47:15,628 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-08-22 21:47:15,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-08-22 21:47:15,631 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-08-22 21:47:15,632 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-08-22 21:47:15,633 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-08-22 21:47:15,634 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-08-22 21:47:15,635 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-08-22 21:47:15,636 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-08-22 21:47:15,636 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-08-22 21:47:15,637 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-08-22 21:47:15,638 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-08-22 21:47:15,639 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-08-22 21:47:15,640 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-08-22 21:47:15,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-08-22 21:47:15,643 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-08-22 21:47:15,645 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-08-22 21:47:15,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-08-22 21:47:15,647 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-08-22 21:47:15,648 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-08-22 21:47:15,650 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-08-22 21:47:15,650 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-08-22 21:47:15,651 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-08-22 21:47:15,652 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-08-22 21:47:15,652 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
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[2020-08-22 21:47:15,653 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
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[2020-08-22 21:47:15,656 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
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[2020-08-22 21:47:15,657 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2020-08-22 21:47:15,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-08-22 21:47:15,660 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf
[2020-08-22 21:47:15,668 INFO L113 SettingsManager]: Loading preferences was successful
[2020-08-22 21:47:15,669 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-08-22 21:47:15,670 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-08-22 21:47:15,670 INFO L138 SettingsManager]: * sizeof long=4
[2020-08-22 21:47:15,670 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-08-22 21:47:15,671 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-08-22 21:47:15,671 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-08-22 21:47:15,671 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-08-22 21:47:15,671 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-08-22 21:47:15,671 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-08-22 21:47:15,672 INFO L138 SettingsManager]: * sizeof long double=12
[2020-08-22 21:47:15,672 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-08-22 21:47:15,672 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-08-22 21:47:15,672 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-08-22 21:47:15,672 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-08-22 21:47:15,673 INFO L138 SettingsManager]: * Size of a code block=SingleStatement
[2020-08-22 21:47:15,673 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-08-22 21:47:15,673 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-08-22 21:47:15,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-08-22 21:47:15,673 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-08-22 21:47:15,674 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation
[2020-08-22 21:47:15,674 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-08-22 21:47:15,674 INFO L138 SettingsManager]: * Use separate solver for trace checks=false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true
[2020-08-22 21:47:15,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-08-22 21:47:15,998 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-08-22 21:47:16,003 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-08-22 21:47:16,004 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-08-22 21:47:16,005 INFO L275 PluginConnector]: CDTParser initialized
[2020-08-22 21:47:16,005 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-to-double2.c
[2020-08-22 21:47:16,074 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75a4fc8f7/6536a14a98b34f6598d60cb8e345d108/FLAG26c431449
[2020-08-22 21:47:16,526 INFO L306 CDTParser]: Found 1 translation units.
[2020-08-22 21:47:16,527 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-to-double2.c
[2020-08-22 21:47:16,532 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75a4fc8f7/6536a14a98b34f6598d60cb8e345d108/FLAG26c431449
[2020-08-22 21:47:16,890 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75a4fc8f7/6536a14a98b34f6598d60cb8e345d108
[2020-08-22 21:47:16,900 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-08-22 21:47:16,901 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-08-22 21:47:16,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-08-22 21:47:16,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-08-22 21:47:16,906 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-08-22 21:47:16,907 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:47:16" (1/1) ...
[2020-08-22 21:47:16,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b0c2204 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:47:16, skipping insertion in model container
[2020-08-22 21:47:16,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:47:16" (1/1) ...
[2020-08-22 21:47:16,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-08-22 21:47:16,932 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-08-22 21:47:17,087 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-08-22 21:47:17,092 INFO L203 MainTranslator]: Completed pre-run
[2020-08-22 21:47:17,111 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-08-22 21:47:17,124 INFO L208 MainTranslator]: Completed translation
[2020-08-22 21:47:17,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:47:17 WrapperNode
[2020-08-22 21:47:17,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-08-22 21:47:17,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-08-22 21:47:17,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-08-22 21:47:17,126 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-08-22 21:47:17,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:47:17" (1/1) ...
[2020-08-22 21:47:17,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:47:17" (1/1) ...
[2020-08-22 21:47:17,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:47:17" (1/1) ...
[2020-08-22 21:47:17,145 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:47:17" (1/1) ...
[2020-08-22 21:47:17,226 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:47:17" (1/1) ...
[2020-08-22 21:47:17,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:47:17" (1/1) ...
[2020-08-22 21:47:17,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:47:17" (1/1) ...
[2020-08-22 21:47:17,233 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-08-22 21:47:17,234 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-08-22 21:47:17,234 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-08-22 21:47:17,234 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-08-22 21:47:17,236 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:47:17" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-08-22 21:47:17,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-08-22 21:47:17,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-08-22 21:47:17,296 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-08-22 21:47:17,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-08-22 21:47:17,296 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-08-22 21:47:17,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-08-22 21:47:17,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-08-22 21:47:17,419 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-08-22 21:47:17,419 INFO L295 CfgBuilder]: Removed 0 assume(true) statements.
[2020-08-22 21:47:17,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:47:17 BoogieIcfgContainer
[2020-08-22 21:47:17,423 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-08-22 21:47:17,424 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-08-22 21:47:17,424 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-08-22 21:47:17,427 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-08-22 21:47:17,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 09:47:16" (1/3) ...
[2020-08-22 21:47:17,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56b31c20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 09:47:17, skipping insertion in model container
[2020-08-22 21:47:17,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:47:17" (2/3) ...
[2020-08-22 21:47:17,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56b31c20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 09:47:17, skipping insertion in model container
[2020-08-22 21:47:17,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:47:17" (3/3) ...
[2020-08-22 21:47:17,430 INFO L109 eAbstractionObserver]: Analyzing ICFG float-to-double2.c
[2020-08-22 21:47:17,440 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-08-22 21:47:17,446 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-08-22 21:47:17,459 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-08-22 21:47:17,480 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-08-22 21:47:17,480 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-08-22 21:47:17,480 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-08-22 21:47:17,480 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-08-22 21:47:17,480 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-08-22 21:47:17,481 INFO L380 AbstractCegarLoop]: Difference is false
[2020-08-22 21:47:17,481 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-08-22 21:47:17,481 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-08-22 21:47:17,494 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states.
[2020-08-22 21:47:17,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2020-08-22 21:47:17,503 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-22 21:47:17,503 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-22 21:47:17,504 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-22 21:47:17,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-22 21:47:17,509 INFO L82 PathProgramCache]: Analyzing trace with hash -1515468267, now seen corresponding path program 1 times
[2020-08-22 21:47:17,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-22 21:47:17,516 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1259631113]
[2020-08-22 21:47:17,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-22 21:47:17,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-08-22 21:47:17,574 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-08-22 21:47:17,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-08-22 21:47:17,578 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-08-22 21:47:17,597 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-08-22 21:47:17,597 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-08-22 21:47:17,598 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-08-22 21:47:17,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 09:47:17 BoogieIcfgContainer
[2020-08-22 21:47:17,613 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-08-22 21:47:17,616 INFO L168 Benchmark]: Toolchain (without parser) took 713.61 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 104.3 MB in the beginning and 159.1 MB in the end (delta: -54.8 MB). Peak memory consumption was 8.1 MB. Max. memory is 7.1 GB.
[2020-08-22 21:47:17,617 INFO L168 Benchmark]: CDTParser took 0.83 ms. Allocated memory is still 139.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-08-22 21:47:17,618 INFO L168 Benchmark]: CACSL2BoogieTranslator took 222.78 ms. Allocated memory is still 139.5 MB. Free memory was 103.9 MB in the beginning and 94.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB.
[2020-08-22 21:47:17,619 INFO L168 Benchmark]: Boogie Preprocessor took 107.77 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 94.2 MB in the beginning and 181.5 MB in the end (delta: -87.3 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB.
[2020-08-22 21:47:17,620 INFO L168 Benchmark]: RCFGBuilder took 189.13 ms. Allocated memory is still 202.4 MB. Free memory was 181.5 MB in the beginning and 171.5 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB.
[2020-08-22 21:47:17,621 INFO L168 Benchmark]: TraceAbstraction took 189.36 ms. Allocated memory is still 202.4 MB. Free memory was 170.9 MB in the beginning and 159.1 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB.
[2020-08-22 21:47:17,625 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.83 ms. Allocated memory is still 139.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 222.78 ms. Allocated memory is still 139.5 MB. Free memory was 103.9 MB in the beginning and 94.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 107.77 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 94.2 MB in the beginning and 181.5 MB in the end (delta: -87.3 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 189.13 ms. Allocated memory is still 202.4 MB. Free memory was 181.5 MB in the beginning and 171.5 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 189.36 ms. Allocated memory is still 202.4 MB. Free memory was 170.9 MB in the beginning and 159.1 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- UnprovableResult [Line: 9]: Unable to prove that call of __VERIFIER_error() unreachable
Unable to prove that call of __VERIFIER_error() unreachable
Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 9, overapproximation of someUnaryFLOAToperation at line 5, overapproximation of someUnaryDOUBLEoperation at line 6.
Possible FailurePath:
[L5] float f = -0x1.0p-127f;
[L6] double d = -0x1.0p-127;
[L7] double fp = (double)f;
VAL [f=2, fp=2]
[L9] COND TRUE !(d == fp)
VAL [f=2, fp=2]
[L9] __VERIFIER_error()
VAL [f=2, fp=2]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 3 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
Received shutdown request...